SC414/SC424
10
Ultrasonic Powersave Mode  No Load (SC414)
Time (10約/div)
 (50mV/div)
(5V/div)
V
IN
 = 12V, V
OUT
 = 1V, I
OUT
 = 0A, V
LDO
 = V
5V
 = EN/PSV= ENL = 5V
Forced Continuous Mode  No Load
Time (2約/div)
 (50mV/div)
 
(5V/div)
V
IN
 = 12V, V
OUT
 = 1V, I
OUT
 = 0A, V
LDO
 = V
5V
 = ENL = 5V, EN/PSV= fl oat
Enabled Loaded Output  Power Good True
 (500mV/div)
(10V/div)
 
(5V/div)
V
IN
 = 12V, V
OUT
 = 1V, I
OUT
 = 1A, V
LDO
 = V
5V
 = ENL = 5V. EN/PSV= 5V
Time (1ms/div)
Typical Characteristics (continued)
Characteristics in this section are based on using the Typical Application Circuit on page 2 (SC414/SC424).
Powersave Mode  No Load (SC424)
Time (10ms/div)
 (50mV/div)
 
(5V/div)
V
IN
 = 12V, V
OUT
 = 1V, I
OUT
 = 0A, V
LDO
 = V
5V
 = EN/PSV= ENL = 5V
Time (10ms/div)
Self-Biased Start-Up  Power Good True
 (500mV/div)
(10V/div)
 
(5V/div)
V
IN
 = 0V to 12V step, V
OUT
 = 1V, I
OUT
 = 0A, V
LDO
 = V
5V
 = EN/PSV= ENL = 5V
 (2V/div)
Output Over-current Response  Normal Operation
Time (100約/div)
 (500mV/div)
(5V/div)
 (5V/div)
 
(5A/div)
V
IN
 = 12V, V
OUT
= 1V, V
LDO
 = V
5V
 = ENL = 5V, EN/PSV= fl oating; I
OUT
 ramped to trip point
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